Physics, asked by livegamer63p, 8 months ago

plz answer fast plz

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Answered by TaqaddusFatima

2

Answer:

Vi=0ms^-1

Vf=?

S=800m

a=4ms^-2

2Sa=Vf^2 - Vi^2

2(800)(4)=Vf^2 - (0)

6400=Vf^2

√Vf^2=√6400

Vf=80.....ans

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